نمونه سوالات امنیت شبکه از وب سایت کامپتیا به همراه جواب

Objective: Given a scenario, install and configure routers and switches.

The IEEE standard 802.3af states the specifications for which of the following?

a) Quality of Service b) VLANs c) Routing tablesd) Power over Ethernet

Question 2.

Objective: Given a scenario, troubleshoot common router and switch problems.

A user's remote marketing server has changed IP address schemes and now the user can no longer access it. The user further discovers that the distant end still has access to them. Which of the following is a possible cause?

a) SNMP strings need to be addedb) Firewall rules need to be configured c) Port bonding on the interface needs to be enabled d) The switch has lost power

Question 3.

Objective: Explain the purpose and features of various network appliances.

Which of the following is a network device that allows remote users access to a network?

a) DNS server b) Content filter c) Load balancerd) VPN concentrator

Question 4.

Objective: Given a scenario, use the appropriate network monitoring resource to analyze traffic.

A technician suspects that a virus has been introduced on the network. Which network resource is BEST used to confirm this problem?

a) Syslog b) SNMPc) Network sniffer d) Environmental monitor

Question 5.

Objective: Given a scenario, implement the following network troubleshooting methodology.

A user reports a network connectivity problem. Which of the following steps should the technician perform FIRST?

a) Determine a probable cause b) Implement the solution of the cause c) Test the theory of the caused) Identify the problem

Question 6.

Objective: Explain the function of common networking protocols.

Which of the following protocols is used by a web browser to display a web page?

a) SMTP b) FTPc) HTTP d) IMAP4

Question 7.

Objective: Summarize DNS concepts and its components.

Which of the following record types is required for every server in a DNS environment?

a) AAA b) MX c) SFPd) A

Question 8.

Objective: Compare and contrast different wireless standards.

The frequency of the 802.11b and 802.11g is which of the following?

a) 2.4GHz b) 900MHz c) 5GHz d) 1800MHz

Question 9.

Objective: Identify common TCP and UDP default ports.

Which of the following uses port 22 by default?

a) TELNETb) SSH c) FTP d) DNS

Question 10.

Objective: Given a scenario, troubleshoot common wireless problems.

A user is unable to connect to a network with encryption. The user is able to see the network and has the correct passphrase. Which of the following is MOST likely the problem?

Objective: Given a scenario, troubleshoot common physical connectivity problems.

A technician is troubleshooting a UTP cable that has been suspected of having problems due to EMI. Which of the following cables should the technician use without adding new equipment to the network?

a) Singlemode fiberb) STP c) Plenum d) Multimode fiber

Question 12.

Objective: Describe different network topologies.

Which of the following network topologies describes a network where packets of data are transmitted from one computer to another in a circular fashion?

a) Ring b) Mesh c) Bus d) Star

Question 13.

Objective: Given a scenario, troubleshoot common physical connectivity problems.

Which of the following defines the length of time a device retains its IP address for?

a) Scope b) Reservation c) Subnetd) Lease

Question 14.

Objective: Identify virtual network components.

Which of the following virtual devices is the BEST to use to host a company's website?

a) PBXb) Server c) Switch d) Desktop

Question 15.

Objective: Categorize standard media types and associated properties.

A cable standard that includes a fire-retardant jacket is:

a) coaxial cable b) fiber cablec) plenum cable d) UTP cable

Question 16.

Objective: Given a scenario use appropriate hardware tools to troubleshoot connectivity issues .

A new drop is active according to the network administrator. A technician takes a laptop to the new drop to test connectivity and gets an intermittent signal. Which of the following tools could the technician use to test the line?

An administrator works for a law firm in an office building in a major city. After installing a new wireless access point, the administrator secures the device using WPA and then connects to it using a laptop. Which of the following would be the logical NEXT step in securing the device?

a) Add a second SSID broadcast to the access point and name it the same as a neighboring company b) Change the wireless encryption type to WEP c) Remove the antennasd) Check neighboring offices for connectivity and reduce the signal strength appropriately

Question 18.

Objective: Given a scenario and a set of requirements, plan and implement a basic SOHO network.

An administrator is asked to set up a home office for a user who would like to connect to the Internet and share files with all six computers in the home. Which of the following are the MINIMUM requirements if the user refuses to install wireless devices and all computers contain working network cards?

A business has expanded to additional floors in the building. The expansion only calls for switches and patch panels to be installed. Which of the following would the network manager need to locate?

a) MDF b) Demarc c) Smart jackd) IDF

Question 21.

Objective: Given a scenario, install and configure a wireless network.

A network administrator needs to implement a new wireless network for a coffee shop. The shop wants to allow users wireless access from anywhere in the shop, but not outside. Which of the following should be the GREATEST concern for the administrator?

a) Channel b) Compatibilityc) WAP placement d) Interference

Question 22.

Objective: Given a scenario, troubleshoot common router and switch problems.

A user receives an information message on their computer stating a duplicate address exists. A technician would discover that which of the following is true?